Processing IntDict.keys()用法及代码示例

IntDict inventory;

void setup() {
  size(200, 200);
  inventory = new IntDict();
  inventory.set("cd", 84);
  inventory.set("tapes", 15);
  inventory.set("records", 102);
  println(inventory); 
  for (String k : inventory.keys()) {
    println(k);
  }
}